created new sequence dialog

2019-07-21 18:21:40 -07:00
parent 9cfed140b3
commit f8830beac7
37 changed files with 911 additions and 101 deletions
@@ -0,0 +1,152 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef SEQUENCEDIALOG_H
+#define SEQUENCEDIALOG_H
+
+#include <QComboBox>
+#include <QDialog>
+#include <QSpinBox>
+#include <QUndoCommand>
+
+#include "project/item/sequence/sequence.h"
+
+/**
+ * @brief A dialog for editing Sequence parameters
+ *
+ * This dialog exposes all the parameters of a Sequence to users allowing them to set up a Sequence however they wish.
+ * A Sequence can be sent to this dialog through the constructor. All fields will be filled using that Sequence's
+ * parameters, allowing the user to view and edit them. Accepting the dialog will apply them back to that Sequence,
+ * either directly or using a QUndoCommand (see SetUndoable()).
+ *
+ * If creating a new Sequence, the Sequence must still be constructed first before sending it to SequenceDialog.
+ * SequenceDialog does not create any new objects. In most cases when creating a new Sequence, editing its parameters
+ * with SequenceDialog will be paired with the action of adding the Sequence to a project. In this situation, since the
+ * latter will be the main undoable action, the parameter editing doesn't have to be undoable since to the user they'll
+ * be viewed as one single action (see SetUndoable()).
+ */
+class SequenceDialog : public QDialog
+{
+  Q_OBJECT
+public:
+  /**
+   * @brief Used to set the dialog mode of operation (see SequenceDialog())
+   */
+  enum Type {
+    kNew,
+    kExisting
+  };
+
+  /**
+   * @brief SequenceDialog Constructor
+   *
+   * @param s
+   * Sequence to edit
+   *
+   * @param t
+   * Mode of operation (changes some UI like the window title to best represent the action being performed)
+   *
+   * @param parent
+   * QWidget parent
+   */
+  SequenceDialog(Sequence* s, Type t = kExisting, QWidget* parent = nullptr);
+
+  /**
+   * @brief Set whether the parameter changes should be made into an undo command or not
+   *
+   * @param u
+   */
+  void SetUndoable(bool u);
+
+public slots:
+  /**
+   * @brief Function called when the user presses OK
+   */
+  virtual void accept() override;
+
+private:
+  /**
+   * @brief Internal function for adding a selectable frame rate
+   */
+  void AddFrameRate(const rational& r);
+
+  /**
+   * @brief Internal function for adding a selectable sample rate
+   */
+  void AddSampleRate(const rational &rate);
+
+  /**
+   * @brief Internal function for adding a selectable channel layout
+   */
+  void AddChannelLayout(int layout);
+
+  Sequence* sequence_;
+
+  bool make_undoable_;
+
+  QSpinBox* video_width_field_;
+
+  QSpinBox* video_height_field_;
+
+  QComboBox* video_frame_rate_field_;
+
+  QComboBox* audio_sample_rate_field_;
+
+  QComboBox* audio_channels_field_;
+
+  QLineEdit* name_field_;
+
+  QVector<rational> frame_rate_list_;
+
+  QVector<rational> sample_rate_list_;
+
+  /**
+   * @brief A QUndoCommand for setting the parameters on a sequence
+   */
+  class SequenceParamCommand : public QUndoCommand {
+  public:
+    SequenceParamCommand(Sequence* s,
+                         const int& width,
+                         const int& height,
+                         const rational& v_timebase,
+                         const rational& a_timebase,
+                         const uint64_t &channels,
+                         QUndoCommand* parent = nullptr);
+
+    virtual void redo() override;
+    virtual void undo() override;
+  private:
+    Sequence* sequence_;
+
+    int width_;
+    int height_;
+    rational v_timebase_;
+    rational a_timebase_;
+    uint64_t channels_;
+
+    int old_width_;
+    int old_height_;
+    rational old_v_timebase_;
+    rational old_a_timebase_;
+    uint64_t old_channels_;
+  };
+};
+
+#endif // SEQUENCEDIALOG_H